Home / 13,396,410.90-18,486,489.03-7,595,584.74

Finding the Fourth Proportional to 13,396,410.90, 18,486,489.03 and 7,595,584.74

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Solution

The fourth proportional to 13,396,410.90, 18,486,489.03 and 7,595,584.74 is: 10,481,590.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,396,410.90 : 18,486,489.03 = 7,595,584.74 : x
  2. Step 2: Convert to fraction form
    13,396,410.90/18,486,489.03 = 7,595,584.74/x
  3. Step 3: Cross multiply
    13,396,410.90x = 18,486,489.03 × 7,595,584.74
  4. Step 4: Simplify right side
    13,396,410.90x = 140,415,693,972,445.42
  5. Step 5: Solve for x
    x = 140,415,693,972,445.42/13,396,410.90
  6. Step 6: Final answer
    x = 10,481,590.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.